When it comes to teaching people its often the detail that counts and more is always better being able to share your ideas and knowledge with a large audience can be difficult but a huge benefit with the optoma dc550 you simply position items under the camera connect it to a projector and show everything on the big screen live as it happens the dc550 features an 8mp sensor 544x total zoom and up to 30 frames per second video at full resolution for stunning image quality and performance